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x = 9
3/8x² = 0,(6)
x = ?
9x² +100 = 0
x= -10\9
x² + 4 = 2x² - 6
x = 2.5
5 - x² = x² + 3
x=2
(1-√2)x² =√2
x= 1
x²=(1 - x )(1 + x )
x² = 1² - x² (nie wykonalne)
( x - 1)² - 1 =0
x= 0
(2x + 3 )² = ( x - 3)²
(1-√2)x^ =√2
(1-√2)x^ -√2 = 0
x=1
delta= 0 - 4*1/3 *(-27)
delta= 4*9
delta = 36
x=(-b-pierwiastek z delty)/2a lub x=(-b+ pierwiastek z delty)/2a
x=(-pierwiastek z 36[bo b=0])(2*(1/3)) lub x=(pierwiastek z 36)/(2*(1/3))
x= -6/(2*(1/3)) lub x= 6/(2*(1/3))
x=-9 lub x=9
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